Leaked source code of windows server 2003
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/*++
Copyright (c) 1989 Microsoft Corporation
Module Name:
nbfhdrs.h
Abstract:
This module defines private structure definitions describing the layout
of the NetBIOS Frames Protocol headers for the NT NBF transport
provider.
Author:
Stephen E. Jones (stevej) 25-Oct-1989
Revision History:
David Beaver (dbeaver) 24-Sep-1990
remove pc586 and PDI specific code; add NDIS support
--*/
#ifndef _NBFHDRS_
#define _NBFHDRS_
//
// Pack these headers, as they are sent fully packed on the network.
//
#ifdef PACKING
#ifdef __STDC__
#pragma Off(Align_members)
#else
#pragma pack(1)
#endif // def __STDC__
#endif // def PACKING
#define NETBIOS_SIGNATURE_1 0xef // signature in NetBIOS frames.
#define NETBIOS_SIGNATURE_0 0xff // 1st byte.
#define NETBIOS_SIGNATURE 0xefff
//
// NetBIOS Frames Protocol Command Codes.
//
#define NBF_CMD_ADD_GROUP_NAME_QUERY 0x00
#define NBF_CMD_ADD_NAME_QUERY 0x01
#define NBF_CMD_NAME_IN_CONFLICT 0x02
#define NBF_CMD_STATUS_QUERY 0x03
#define NBF_CMD_TERMINATE_TRACE 0x07
#define NBF_CMD_DATAGRAM 0x08
#define NBF_CMD_DATAGRAM_BROADCAST 0x09
#define NBF_CMD_NAME_QUERY 0x0a
#define NBF_CMD_ADD_NAME_RESPONSE 0x0d
#define NBF_CMD_NAME_RECOGNIZED 0x0e
#define NBF_CMD_STATUS_RESPONSE 0x0f
#define NBF_CMD_TERMINATE_TRACE2 0x13
#define NBF_CMD_DATA_ACK 0x14
#define NBF_CMD_DATA_FIRST_MIDDLE 0x15
#define NBF_CMD_DATA_ONLY_LAST 0x16
#define NBF_CMD_SESSION_CONFIRM 0x17
#define NBF_CMD_SESSION_END 0x18
#define NBF_CMD_SESSION_INITIALIZE 0x19
#define NBF_CMD_NO_RECEIVE 0x1a
#define NBF_CMD_RECEIVE_OUTSTANDING 0x1b
#define NBF_CMD_RECEIVE_CONTINUE 0x1c
#define NBF_CMD_SESSION_ALIVE 0x1f
//
// NBF Transport Layer Header.
//
typedef struct _NBF_HDR_GENERIC {
USHORT Length; // Length of this header in bytes.
UCHAR Signature [2]; // always {0xef, 0xff} for NBF.
UCHAR Command; // command code, NBF_CMD_xxx.
UCHAR Data1; // optional parameter.
USHORT Data2; // optional parameter.
USHORT TransmitCorrelator; // transmit correlator parameter.
USHORT ResponseCorrelator; // response correlator parameter.
} NBF_HDR_GENERIC;
typedef NBF_HDR_GENERIC UNALIGNED *PNBF_HDR_GENERIC;
typedef struct _NBF_HDR_CONNECTION {
USHORT Length; // length of the header in bytes (14).
USHORT Signature; // always {0xef, 0xff} for NBF.
UCHAR Command; // command code, NBF_CMD_xxx.
UCHAR Data1; // optional parameter.
UCHAR Data2Low, Data2High; // Intel-formatted DW parameter.
USHORT TransmitCorrelator; // Intel-formatted DW param. (transmit correlator).
USHORT ResponseCorrelator; // Intel-formatted DW param. (response correlator).
UCHAR DestinationSessionNumber; // connection identifier of packet receiver.
UCHAR SourceSessionNumber; // connection identifier of packet sender.
} NBF_HDR_CONNECTION;
typedef NBF_HDR_CONNECTION UNALIGNED *PNBF_HDR_CONNECTION;
typedef struct _NBF_HDR_CONNECTIONLESS {
USHORT Length; // length of the header in bytes (44).
USHORT Signature; // always {0xef, 0xff} for NBF.
UCHAR Command; // command code, NBF_CMD_xxx.
UCHAR Data1; // optional parameter.
UCHAR Data2Low, Data2High; // Intel-formatted DW parameter.
USHORT TransmitCorrelator; // Intel-formatted DW param. (transmit correlator).
USHORT ResponseCorrelator; // Intel-formatted DW param. (response correlator).
UCHAR DestinationName [NETBIOS_NAME_LENGTH]; // name of packet receiver.
UCHAR SourceName [NETBIOS_NAME_LENGTH]; // name of packet sender.
} NBF_HDR_CONNECTIONLESS;
typedef NBF_HDR_CONNECTIONLESS UNALIGNED *PNBF_HDR_CONNECTIONLESS;
//
// These macros are used to retrieve the transmit and response
// correlators from an NBF_HDR_CONNECTION(LESS). The first two
// are general, the second two are used when the correlators
// are known to be WORD aligned.
//
#define TRANSMIT_CORR_A(_Hdr) ((_Hdr)->TransmitCorrelator)
#define RESPONSE_CORR_A(_Hdr) ((_Hdr)->ResponseCorrelator)
#ifdef _IA64_
//
// BUGBUG This is a workaround for a bug in the IA64 compiler version
// 13.00.8837 (bug #utc_p7#15002: FE bug). When it is fixed, remove
// this new version of the macros in favor of the original version,
// below.
//
__inline
USHORT UNALIGNED *
TempUShortCast(
IN USHORT UNALIGNED *p
)
{
return p;
}
#define TRANSMIT_CORR(_Hdr) (*TempUShortCast( &(_Hdr)->TransmitCorrelator ))
#define RESPONSE_CORR(_Hdr) (*TempUShortCast( &(_Hdr)->ResponseCorrelator ))
#define HEADER_LENGTH(_Hdr) (*TempUShortCast( &(_Hdr)->Length ))
#define HEADER_SIGNATURE(_Hdr) (*TempUShortCast( &(_Hdr)->Signature ))
#else
#define TRANSMIT_CORR(_Hdr) (*(USHORT UNALIGNED *)(&(_Hdr)->TransmitCorrelator))
#define RESPONSE_CORR(_Hdr) (*(USHORT UNALIGNED *)(&(_Hdr)->ResponseCorrelator))
#define HEADER_LENGTH(_Hdr) (*(USHORT UNALIGNED *)(&(_Hdr)->Length))
#define HEADER_SIGNATURE(_Hdr) (*(USHORT UNALIGNED *)(&(_Hdr)->Signature))
#endif
#define HEADER_LENGTH_A(_Hdr) ((_Hdr)->Length)
#define HEADER_SIGNATURE_A(_Hdr) ((_Hdr)->Signature)
typedef union _NBF_HDR {
NBF_HDR_GENERIC Generic;
NBF_HDR_CONNECTION ConnectionOrientedFrame;
NBF_HDR_CONNECTIONLESS ConnectionlessFrame;
} NBF_HDR;
typedef NBF_HDR UNALIGNED *PNBF_HDR;
//
// The following structures define I-frame, U-frame, and S-frame DLC headers.
//
#define DLC_SSAP_RESPONSE 0x0001 // if (ssap & DLC_SSAP_RESP), it's a response.
#define DLC_SSAP_GLOBAL 0x00ff // the global SAP.
#define DLC_SSAP_NULL 0x0000 // the null SAP.
#define DLC_SSAP_MASK 0x00fe // mask to wipe out the response bit.
#define DLC_DSAP_MASK 0x00fe // mask to wipe out the group SAP bit.
#define DLC_CMD_RR 0x01 // command code for RR.
#define DLC_CMD_RNR 0x05 // command code for RNR.
#define DLC_CMD_REJ 0x09 // command code for REJ.
#define DLC_CMD_SABME 0x6f // command code for SABME.
#define DLC_CMD_DISC 0x43 // command code for DISC.
#define DLC_CMD_UA 0x63 // command code for UA.
#define DLC_CMD_DM 0x0f // command code for DM.
#define DLC_CMD_FRMR 0x87 // command code for FRMR.
#define DLC_CMD_UI 0x03 // command code for UI.
#define DLC_CMD_XID 0xaf // command code for XID.
#define DLC_CMD_TEST 0xe3 // command code for TEST.
typedef struct _DLC_XID_INFORMATION {
UCHAR FormatId; // format of this XID frame.
UCHAR Info1; // first information byte.
UCHAR Info2; // second information byte.
} DLC_XID_INFORMATION;
typedef DLC_XID_INFORMATION UNALIGNED *PDLC_XID_INFORMATION;
typedef struct _DLC_TEST_INFORMATION {
UCHAR Buffer [10]; // this buffer is actually arbitrarily large.
} DLC_TEST_INFORMATION;
typedef DLC_TEST_INFORMATION UNALIGNED *PDLC_TEST_INFORMATION;
typedef struct _DLC_FRMR_INFORMATION {
UCHAR Command; // format: mmmpmm11, m=modifiers, p=poll/final.
UCHAR Ctrl; // control field of rejected frame.
UCHAR Vs; // our next send when error was detected.
UCHAR Vr; // our next receive when error was detected.
UCHAR Reason; // reason for sending FRMR: 000VZYXW.
} DLC_FRMR_INFORMATION;
typedef DLC_FRMR_INFORMATION UNALIGNED *PDLC_FRMR_INFORMATION;
typedef struct _DLC_U_FRAME {
UCHAR Dsap; // Destination Service Access Point.
UCHAR Ssap; // Source Service Access Point.
UCHAR Command; // command code.
union { // information field for FRMR, TEST, XID.
DLC_XID_INFORMATION XidInfo; // XID information.
DLC_TEST_INFORMATION TestInfo; // TEST information.
DLC_FRMR_INFORMATION FrmrInfo; // FRMR information.
NBF_HDR_CONNECTIONLESS NbfHeader; // UI frame contains NetBIOS header.
} Information;
} DLC_U_FRAME;
typedef DLC_U_FRAME UNALIGNED *PDLC_U_FRAME;
#define DLC_U_INDICATOR 0x03 // (cmd & DLC_U_IND) == DLC_U_IND --> U-frame.
#define DLC_U_PF 0x10 // (cmd & DLC_U_PF) -> poll/final set.
typedef struct _DLC_S_FRAME {
UCHAR Dsap; // Destination Service Access Point.
UCHAR Ssap; // Source Service Access Point.
UCHAR Command; // RR, RNR, REJ command code.
UCHAR RcvSeq; // receive seq #, bottom bit is poll/final.
} DLC_S_FRAME;
typedef DLC_S_FRAME UNALIGNED *PDLC_S_FRAME;
#define DLC_S_PF 0x01 // (rcvseq & DLC_S_PF) means poll/final set.
typedef struct _DLC_I_FRAME {
UCHAR Dsap; // Destination Service Access Point.
UCHAR Ssap; // Source Service Access Point.
UCHAR SendSeq; // send sequence number, bottom bit 0.
UCHAR RcvSeq; // rcv sequence number, bottom bit p/f.
} DLC_I_FRAME;
typedef DLC_I_FRAME UNALIGNED *PDLC_I_FRAME;
#define DLC_I_PF 0x01 // (rcvseq & DLC_I_PF) means poll/final set.
#define DLC_I_INDICATOR 0x01 // !(sndseq & DLC_I_INDICATOR) indicates I-frame.
typedef struct _DLC_FRAME {
UCHAR Dsap; // Destination Service Access Point.
UCHAR Ssap; // Source Service Access Point.
UCHAR Byte1; // command byte.
} DLC_FRAME;
typedef DLC_FRAME UNALIGNED *PDLC_FRAME;
//
// This macro builds a DLC UI-frame header.
//
#define NbfBuildUIFrameHeader(_Header) \
{ \
PDLC_FRAME DlcHeader = (PDLC_FRAME)(_Header); \
DlcHeader->Dsap = DSAP_NETBIOS_OVER_LLC; \
DlcHeader->Ssap = DSAP_NETBIOS_OVER_LLC; \
DlcHeader->Byte1 = DLC_CMD_UI; \
}
//
// Resume previous structure packing method.
//
#ifdef PACKING
#ifdef __STDC__
#pragma Pop(Align_members)
#else
#pragma pack()
#endif // def __STDC__
#endif // def PACKING
#endif // def _NBFHDRS_